4033689749 has 2 divisors, whose sum is σ = 4033689750. Its totient is φ = 4033689748.

The previous prime is 4033689733. The next prime is 4033689761. The reversal of 4033689749 is 9479863304.

4033689749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2081640625 + 1952049124 = 45625^2 + 44182^2 .

It is a cyclic number.

It is not a de Polignac number, because 4033689749 - 2⁴ = 4033689733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4033689749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4033689349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016844874 + 2016844875.

It is an arithmetic number, because the mean of its divisors is an integer number (2016844875).

Almost surely, 2^4033689749 is an apocalyptic number.

It is an amenable number.

4033689749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4033689749 is an equidigital number, since it uses as much as digits as its factorization.

4033689749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The square root of 4033689749 is about 63511.3355945220. The cubic root of 4033689749 is about 1591.8451936382.

The spelling of 4033689749 in words is "four billion, thirty-three million, six hundred eighty-nine thousand, seven hundred forty-nine".